Electrical Engineering Forum

Join the expert discussion on electrical engineering topics. Topics like the uses of electricity and the equipment for power generation. Circuits, Fiber, Signals and Systems, Semiconductor Devices...

Threads

Wheatstone bridge to measure high resistances?

  • tua28494
  • · Replies 2 ·
Replies
2

Learning Power Theory Circuit Theory

  • NotoriousNick
  • · Replies 2 ·
Replies
2
Replies
1

I don't understand this circuit

  • gsingh2011
  • · Replies 4 ·
Replies
4
Replies
2

Measuring Static Resistance of Current/Voltage Graph

  • headshrinker
  • · Replies 1 ·
Replies
1

Running a 1/4 - 1/2 hp electric off 12 volt car/golf cart battery

  • bearboom
  • · Replies 2 ·
Replies
2

Multi-Notch Filter: Why 3 Not Working?

  • m718
  • · Replies 1 ·
Replies
1

WiFi Antenna Coupling in Faraday Cage RV - Jack

  • jackmccarron
  • · Replies 3 ·
Replies
3
Replies
1

What is the theory behind voltage dividers and current dividers?

  • logearav
  • · Replies 3 ·
Replies
3

Reciprocity theorem and LTI systems

  • sokrates
  • · Replies 7 ·
Replies
7

Induction vs electromagnetic repulsion: which is more efficient?

  • MaJiK9021
  • · Replies 1 ·
Replies
1

When do inductors act like a short circuit and when they dont?

  • meanswing
  • · Replies 8 ·
Replies
8

Can I Build a Better Dog Detector for My Motorized Doggie Door?

  • brianlojeck
  • · Replies 6 ·
Replies
6

Fred's Simple E-field Sensor: Seeking Suggestions

  • estantef
  • · Replies 2 ·
Replies
2

Is mixing water and electricity really dangerous?

  • waater
  • · Replies 7 ·
Replies
7

Building a theremin with 4093 and 4077 chips

  • k_squared
  • · Replies 7 ·
Replies
7

DC motor control for motorized drink dispenser arm

  • josalsam001
  • · Replies 16 ·
Replies
16

ADC reference voltage droop from battery-powered 5V boost converter

  • Moffitt
  • · Replies 5 ·
Replies
5

ElectroMagnet Suspension Project

  • Stagga
  • · Replies 1 ·
Replies
1
Replies
7

Resistive load bank testing for generator

  • pic498
  • · Replies 2 ·
Replies
2

How does silicon-on-insulator work and what are its benefits?

  • Goalie_Ca
  • · Replies 4 ·
Replies
4

Modulating 2.4GHz and 3MHz signals

  • lnetwork
  • · Replies 3 ·
Replies
3

Why do standard resistor values follow the E-series pattern?

  • Jdo300
  • · Replies 2 ·
Replies
2

Is Adding a Rotary Switch for Tone Control on an Electric Guitar a Good Idea?

  • arithmetix
  • · Replies 3 ·
Replies
3

How to measure the frequency of a person humming?

  • gotem3303
  • · Replies 23 ·
Replies
23

Building a magnetic motor to generate household electricity

  • sirblack40
  • · Replies 2 ·
Replies
2
Replies
2

Building a 15MHz wireless power transfer circuit for 75cm coil separation

  • arniladoc12
  • · Replies 7 ·
Replies
7

Elevator controller design project

  • Nyasha
  • · Replies 2 ·
Replies
2

Combining two 24VAC timers to control one main valve solenoid

  • fazlis85
  • · Replies 12 ·
Replies
12

What do .50um and .35um process nodes tell you about a CMOS sensor?

  • nbo10
  • · Replies 6 ·
Replies
6

Reactive Power: A Strange Concept?

  • Eero
  • · Replies 4 ·
Replies
4

Converting Solar Energy into Electrical Energy

  • thekiso2009
  • · Replies 1 ·
Replies
1

What really is a sinusoidal wave current (AC)?

  • patjk
  • · Replies 6 ·
Replies
6

Using a magnetic core for an electromagnet

  • MaJiK9021
  • · Replies 2 ·
Replies
2

Temperature rise in power transformers atheistrical

  • Carl Pugh
  • · Replies 1 ·
Replies
1

Modulation: Why 455kHz is the IF Frequency

  • oufa
  • · Replies 2 ·
Replies
2

Little Problem with phototransistor

  • anita1984
  • · Replies 6 ·
Replies
6

Arcing or charge propogation within a container

  • BosonJaw
  • · Replies 8 ·
Replies
8

Help reading Audi engine swap wiring schematics

  • carguru
  • · Replies 1 ·
Replies
1

Understanding Elliptical Polarization in Radio: Uses and Applications

  • fedaykin
  • · Replies 5 ·
Replies
5

How Can I Get 12V for a DC Motor Using a 24V Supply?

  • StealthRay
  • · Replies 4 ·
Replies
4

Understanding Resistance in Charging an Ultracapacitor

  • colintonks
  • · Replies 5 ·
Replies
5

Electric Motors: Understanding How They Function

  • Quarkie
  • · Replies 4 ·
Replies
4

Charging three 12V batteries in series with a gasoline engine alternator

  • UGVteam
  • · Replies 12 ·
Replies
12

Why is 455 kHz the chosen IF frequency in superheterodyning?

  • oufa
  • · Replies 6 ·
Replies
6

Concept of slip speed in Self Excited Induction Generator (SEIG)

  • b.shahvir
  • · Replies 4 ·
Replies
4

H-bridge MOSFET inverter with TL494 showing shoot-through at high duty cycle

  • famousken
  • · Replies 2 ·
Replies
2

Bridge rectifier and symmetric power supply

  • anonymoussome
  • · Replies 2 ·
Replies
2
Replies
3

How can ORCAD PSPICE help with simulating an LM324 op amp circuit?

  • anonymoussome
  • · Replies 4 ·
Replies
4
Replies
1

Bipolar transistors and pulse amplification

  • fairchild1
  • · Replies 12 ·
Replies
12

How Can a PM Generator Be Reconfigured to Drive a Turbine Compressor?

  • infinite_gbps
  • · Replies 1 ·
Replies
1

Convert 110 house current to 12 v.

  • Bits
  • · Replies 2 ·
Replies
2

Where to purchase a 1.7 GHz Oscillator

  • hashmos
  • · Replies 4 ·
Replies
4

Designin (very simple) oscillator circuit

  • dalarev
  • · Replies 8 ·
Replies
8

Powering a 12V DC device and a 110V AC motor from one outlet

  • rolinger
  • · Replies 7 ·
Replies
7

PhotoTransistor and Hex Schmitt trigger Inverter

  • anita1984
  • · Replies 7 ·
Replies
7

External power source for rope lights

  • scotty2024
  • · Replies 3 ·
Replies
3

Current Transformer Accuracy Under %5 Load Level

  • HakanEryurt
  • · Replies 2 ·
Replies
2

Temperature rise in Power Transformer

  • atheistrical
  • · Replies 1 ·
Replies
1

Super conductor/insulator question.

  • Mighty_quinn
  • · Replies 6 ·
Replies
6

Advice on regulating a 6V motorcycle alternator.

  • Nick E
  • · Replies 16 ·
Replies
16

13000 volt motor started 6 times in 5 hours and switch gear caught fire

  • kraxup
  • · Replies 3 ·
Replies
3

Resistive hybrid for soundcard to enable speakerphone skype calls

  • arithmetix
  • · Replies 6 ·
Replies
6
Replies
4
Replies
2

Difference equation vs differential equation

  • swraman
  • · Replies 2 ·
Replies
2

Running 500-foot coax for DirecTV in rural area

  • Ivan Seeking
  • · Replies 20 ·
Replies
20
Replies
1

IR Light Curtain Circuit Questions

  • brooksENG
  • · Replies 8 ·
Replies
8

Electromagnet design for 500-1000 lb lifting with 12V battery

  • nikunter
  • · Replies 9 ·
Replies
9

Can a DC-DC converter extract maximum power from solar panels?

  • seb7
  • · Replies 3 ·
Replies
3

Sad News for EE Forum - Remembering negitron

  • Redbelly98
  • · Replies 1 ·
Replies
1

Resources for a detailed LED physics project in CPGE

  • JPC
  • · Replies 2 ·
Replies
2
Replies
2

Determining Frequency of RF Signals: Seeking Guidance

  • buzachaka
  • · Replies 4 ·
Replies
4

Current to Voltage Op-amp problem

  • Jdo300
  • · Replies 8 ·
Replies
8

EMC noise in instrumentation amplifier.

  • lavoie23
  • · Replies 2 ·
Replies
2

Reset Button Functionality: Pulling High vs. Pulling Low

  • tenacity2986
  • · Replies 4 ·
Replies
4

Does water flowing through a copper conductor affect current flow?

  • origen87
  • · Replies 19 ·
Replies
19

Solving a Circuit Problem with SPDT Switches

  • frenchero
  • · Replies 4 ·
Replies
4

How electricity REALLY travels at light speed

  • stephen163
  • · Replies 11 ·
Replies
11
Replies
18

Finding a diode smaller than the 1N4148 in through-hole form

  • aruna1
  • · Replies 9 ·
Replies
9

PSC, current and Node Voltage Analysis

  • Weird Fishes
  • · Replies 2 ·
Replies
2

Where to get the microelectronic circuit design for jaeger

  • oufa
  • · Replies 1 ·
Replies
1

Programmable digital delay circuit for TDR calibration in nanoseconds

  • k.stuart.p
  • · Replies 4 ·
Replies
4

Modulating bright LEDs for motorcycle headlight safety

  • Willys
  • · Replies 16 ·
Replies
16

DC Brushless Motor Rotor Steps: 4 Poles North/South?

  • anita1984
  • · Replies 5 ·
Replies
5

Does a capacitor hide the load?

  • Voice Box
  • · Replies 2 ·
Replies
2

What is a looking into resistance?

  • muhandis
  • · Replies 5 ·
Replies
5

Why Does Current Rise Exponentially in a Diode After Reaching +0.6V?

  • earlofwessex
  • · Replies 5 ·
Replies
5

What happens in an idealized circuit with a sudden change in impedance?

  • ╔(σ_σ)╝
  • · Replies 14 ·
Replies
14

Switching 2 AC sources to a single load

  • ironmikea
  • · Replies 11 ·
Replies
11

Online Resources for Electronics and Electrical Engineering

  • seouldavid
  • · Replies 3 ·
Replies
3